Blake Shelton jokes with Access Hollywood's Liz Hernandez about whether he'll be "Uncle Blake" to Adam Levine's daughter-to-be. But does the guys' fellow "Voice" coach Christina Aguilera have any parenting advice to offer? Visit us at ****** Connect with Access Hollywood: Facebook: ****** Twitter: @accesshollywood (****** Instagram: AccessHollywood (****** Snapchat: OfficialAccess